Class: ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack

Inherits:
Object
  • Object
show all
Defined in:
lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb,
lib/convenient_service/support/middleware/stack_builder/entities/builders/rack/exceptions.rb

Defined Under Namespace

Modules: Exceptions

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(**kwargs) ⇒ void

Parameters:

  • kwargs (Hash{Symbol => Object}) 


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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 33

def initialize(**kwargs)
  @name = kwargs.fetch(:name) { "Stack" }
  @stack = kwargs.fetch(:stack) { [] }
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 27

def name
  @name
end

#stack ⇒ Object (readonly)

Returns the value of attribute stack.



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 21

def stack
  @stack
end

Instance Method Details

#==(other) ⇒ Boolean?

Parameters:

  • other (Object) —

    Can be any type.

Returns:

  • (Boolean, nil) 


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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 208

def ==(other)
  return unless other.instance_of?(self.class)

  return false if name != other.name
  return false if stack != other.stack

  true
end

#call(env) ⇒ Object

Returns Can be any type.

Parameters:

  • env (Hash{Symbol => Object})

Returns:

  • (Object) —

    Can be any type.

See Also:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 75

def call(env)
  return env if stack.empty?

  run = stack[-1]

  app =
    stack[0..-2]
      .map { |middleware| proc { |app| middleware.new(app) } }
      .reverse
      .reduce(run) { |a, e| e[a] }

  app.call(env)
end

#clear ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 56

def clear
  stack.clear

  self
end

#delete(index_or_middleware) ⇒ ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack Also known as: remove

Parameters:

  • index_or_middleware (Integer, #call<Hash>)

Returns:

Raises:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 191

def delete(index_or_middleware)
  index = cast_index(index_or_middleware)

  stack.delete_at(index)

  self
end

#dup ⇒ ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack

Returns:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 227

def dup
  self.class.new(name: name.dup, stack: stack.dup)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 41

def empty?
  stack.empty?
end

#has?(some_middleware) ⇒ Boolean

Parameters:

  • some_middleware (#call<Hash>)

Returns:

  • (Boolean) 


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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 49

def has?(some_middleware)
  stack.any? { |middleware| middleware == some_middleware }
end

#insert(index_or_middleware, other_middleware) ⇒ ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack Also known as: insert_before

Parameters:

  • index_or_middleware (Integer, #call<Hash>)
  • other_middleware (#call<Hash>)

Returns:

Raises:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 125

def insert(index_or_middleware, other_middleware)
  index = cast_index(index_or_middleware)

  stack.insert(index, other_middleware)

  self
end

#insert_after(index_or_middleware, other_middleware) ⇒ ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack

Parameters:

  • index_or_middleware (Integer, #call<Hash>)
  • other_middleware (#call<Hash>)

Returns:

Raises:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 144

def insert_after(index_or_middleware, other_middleware)
  index = cast_index(index_or_middleware)

  stack.insert(index + 1, other_middleware)

  self
end

#insert_after_each(other_middleware) ⇒ ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack

Parameters:

  • other_middleware (#call<Hash>)

Returns:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 166

def insert_after_each(other_middleware)
  @stack = stack.reduce([]) { |stack, middleware| stack.push(middleware, other_middleware) }

  self
end

#insert_before_each(other_middleware) ⇒ ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack

Parameters:

  • other_middleware (#call<Hash>)

Returns:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 156

def insert_before_each(other_middleware)
  @stack = stack.reduce([]) { |stack, middleware| stack.push(other_middleware, middleware) }

  self
end

#replace(index_or_middleware, other_middleware) ⇒ ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack

Parameters:

  • index_or_middleware (Integer, #call<Hash>)
  • other_middleware (#call<Hash>)

Returns:

Raises:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 178

def replace(index_or_middleware, other_middleware)
  index = cast_index(index_or_middleware)

  stack[index] = other_middleware

  self
end

#to_a ⇒ Array

Returns:

  • (Array) 


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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 220

def to_a
  stack
end

#unshift(middleware) ⇒ ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack Also known as: prepend

Parameters:

  • middleware (#call<Hash>)

Returns:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 93

def unshift(middleware)
  stack.unshift(middleware)

  self
end

#use(middleware) ⇒ ConvenientService::Support::Middleware::StackBuilder::Entities::Builders::Rack Also known as: append

Parameters:

  • middleware (#call<Hash>)

Returns:



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# File 'lib/convenient_service/support/middleware/stack_builder/entities/builders/rack.rb', line 108

def use(middleware)
  stack << middleware

  self
end